feat: Add postgres support

Thanks to @dplewis

Author: Eduard Bosch Bertran

spec/ParseQuery.spec.js

@@ -354,8 +354,8 @@ describe('Parse.Query testing', () => {
 
     var objectList = [object, object2, object3];
 
-    Parse.Object.saveAll(objectList).then(() => {
-      equal(objectList.length, 3);
+    Parse.Object.saveAll(objectList).then((results) => {
+      equal(objectList.length, results.length);
 
       new Parse.Query('Object')
         .containsAllStartingWith('strings', ['the', 'fox', 'lazy'])
@@ -373,6 +373,13 @@ describe('Parse.Query testing', () => {
           arrayContains(results, object);
           arrayContains(results, object3);
 
+          return new Parse.Query('Object')
+            .containsAllStartingWith('strings', ['he', 'lazy'])
+            .find();
+        })
+        .then(function (results) {
+          equal(results.length, 0);
+
           done();
         });
     });

src/Adapters/Storage/Postgres/PostgresStorageAdapter.js

@@ -307,7 +307,15 @@ const buildWhereClause = ({ schema, query, index }) => {
     }
 
     if (Array.isArray(fieldValue.$all) && isArrayField) {
-      patterns.push(`array_contains_all($${index}:name, $${index + 1}::jsonb)`);
+      if (fieldValue.$all[0].$regex) {
+        for (let i = 0; i < fieldValue.$all.length; i += 1) {
+          const value = processRegexPattern(fieldValue.$all[i].$regex);
+          fieldValue.$all[i] = value.substring(1) + '%';
+        }
+        patterns.push(`array_contains_all_regex($${index}:name, $${index + 1}::jsonb)`);
+      } else {
+        patterns.push(`array_contains_all($${index}:name, $${index + 1}::jsonb)`);
+      }
       values.push(fieldName, JSON.stringify(fieldValue.$all));
       index += 2;
     }
@@ -1185,6 +1193,7 @@ export class PostgresStorageAdapter {
             t.none(sql.array.addUnique),
             t.none(sql.array.remove),
             t.none(sql.array.containsAll),
+            t.none(sql.array.containsAllRegex),
             t.none(sql.array.contains)
           ]);
         });

src/Adapters/Storage/Postgres/sql/array/contains-all-regex.sql

@@ -0,0 +1,11 @@
+CREATE OR REPLACE FUNCTION array_contains_all_regex(
+  "array"   jsonb,
+  "values"  jsonb
+)
+  RETURNS boolean
+  LANGUAGE sql
+  IMMUTABLE
+  STRICT
+AS $function$
+  SELECT RES.CNT = jsonb_array_length("values") FROM (SELECT COUNT(*) as CNT FROM jsonb_array_elements_text("array") as elt WHERE elt LIKE ANY (SELECT jsonb_array_elements_text("values"))) as RES;
+$function$;